import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/User.vue'
import Rigths from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import Report from '../components/report/Report.vue'

Vue.use(Router)

const router = new Router({
    routes: [
        { path: '/', redirect: '/login' },
        { path: '/login', component: Login },
        { path: '/home',
          component: Home,
          redirect: '/welcome',
          children: [{ path: '/welcome', component: Welcome },
                    { path: '/users', component: Users },
                    { path: '/rights', component: Rigths },
                    { path: '/roles', component: Roles },
                    { path: '/categories', component: Cate },
                    { path: '/params', component: Params },
                    { path: '/reports', component: Report }] }
  ]
})
// 路由导航，to将要访问的路径， from代表从哪个路径而来，next放行
router.beforeEach((to, from, next) => {
  // 如果访问的是login，直接方向
  if (to.path === '/login') return next()
  // 获取token
  const token = window.sessionStorage.getItem('token')
  if (token === '' || token === null) return next('/login')
  next()
})

export default router
